Chris Pratt as Star-Lord, leads his team of underdogs, including Zoe Saldana as Gamora, Vin Diesel as Groot, Rocket Raccoon voiced by Bradley Cooper and WWE wrestler Dave Bautista as Drax the Destroyer.

The "Guardians of the Galaxy" teaser trailer will debut Tuesday night (Feb. 18) on "Jimmy Kimmel Live," which airs at 11:35 p.m. ET on ABC. "Guardians of the Galaxy" is in theaters Aug. 1.

Josh Brolin to Play Thanos in Marvel’s ‘Guardians of the Galaxy,’ ‘Avengers’ Sequel

Josh Brolin has been tapped to play the villainous Thanos in Marvel’s “Guardians of the Galaxy,” sources confirm to Variety.

Thanos, who first appeared in the post-credits scene in “The Avengers,” is a major villain in the Marvel universe and is also expected to appear in one, if not both, of the upcoming “Avengers” sequels.

“We’re definitely tied to ‘Avengers 3,’” director James Gunn recently said of the upcoming “Guardians of the Galaxy,” which hits theaters Aug. 1.